Shelf and refrigerator

Abstract

The shelf comprises a supporting plate, a bottom support and a tray, the supporting plate is arranged in the refrigerator in the front-back direction in an extending mode, the bottom support is arranged on the supporting plate in the front-back moving mode, the tray is used for placing articles and is rotatably arranged on the bottom support, and when the bottom support moves in the direction away from the rear end of the supporting plate, the tray is arranged on the bottom support. Driving the tray to move so as to move at least part of the tray outside the refrigerator; according to the shelf provided by the utility model, when a user needs to store and take articles, the bottom support can be driven to move, the tray is driven by the bottom support to move to the outside of the refrigerator, and the tray can also rotate on the bottom support at any angle, so that the user can conveniently take the articles at high, low or deep places; in addition, the user can take and place articles according to own requirements and habits, personalized requirements are met, space waste is reduced to a certain extent, it is ensured that different food containers can obtain appropriate storage spaces, and the use experience effect and convenience of the user are greatly improved.

Description

Technical Field

[0001] The utility model belongs to the field of refrigerators, and more specifically, relates to a shelf and a refrigerator. Background Art

[0002] With the continuous development of intelligent technology, home appliances have become more intelligent and convenient. Smart refrigerators can be connected to the Internet and have functions such as touch screen and voice recognition to provide users with a better experience. This technology has led consumers to have higher expectations for the performance and functions of home appliances.

[0003] As part of smart refrigerators, shelves are widely used. Traditional refrigerators usually use static shelf designs. These shelves are usually made of glass or metal and are used to store food and other items. However, this design has a series of problems; food containers vary in size and shape, so there is usually a lot of wasted space on traditional shelves, resulting in inefficient storage. When users use them, food is easily stacked together, resulting in poor food quality and difficulty in finding and taking out the required items. It is difficult for users to flexibly manage shelves according to different needs to accommodate different sizes and types of food.

[0004] Therefore, how to provide a movable shelf that is convenient for users to store and retrieve items is a problem that needs to be solved urgently in the industry. Utility Model Content

[0005] The utility model aims to provide a shelf and a refrigerator to solve the problem of poor convenience of use of static shelves in the prior art.

[0006] To achieve the above object, the technical solution adopted by the utility model is: to provide a shelf for a refrigerator, comprising:

[0007] A support plate, the support plate is arranged inside the refrigerator so as to extend in a front-to-rear direction;

[0008] A bottom bracket is arranged on the support plate so as to be movable forward and backward;

[0009] A tray, used for placing articles, rotatably arranged on the base;

[0010] When the bottom bracket moves in a direction away from the rear end of the support plate, the tray is driven to move so that at least a portion of the tray moves to the outside of the refrigerator.

[0011] Furthermore, the support plate is provided with a push-out mechanism for driving the bottom bracket to move forward and backward, and the push-out mechanism includes:

[0012] A first slide rail is arranged on the support plate and extends in a front-to-rear direction;

[0013] A first motor, disposed at the rear end of the first slide rail;

[0014] A screw rod is rotatably disposed on the slide rail, and the screw rod is connected to the first motor to rotate under the drive of the first motor;

[0015] A slider is movably arranged on the screw rod, the slider is connected to the base, and the slider drives the base to move along the first slide rail when the screw rod rotates.

[0016] Furthermore, a sensor is provided on the first slide rail, and the sensor is used to detect whether the base bracket moves to a specified position.

[0017] Furthermore, bearings and flange seats are provided at both ends of the screw rod, one end of the flange seat is connected to the bearing, and the other end of the flange seat is connected to the first slide rail.

[0018] Furthermore, the support plate is provided with a push-out mechanism for driving the bottom bracket to move forward and backward, and the push-out mechanism includes:

[0019] A second slide rail is arranged on the support plate and extends along the front-rear direction;

[0020] A second motor is arranged at the front end of the second slide rail;

[0021] a gear connected to the second motor to rotate under the drive of the second motor;

[0022] A rack is meshed with the gear, and the rack is connected to the base. When the gear rotates, the rack drives the base to move along the second slide rail.

[0023] Furthermore, a third motor for driving the tray to rotate is provided at the bottom of the tray.

[0024] Furthermore, the front and rear sides of the tray are straight side edges, and the left and right sides of the tray are arc-shaped side edges.

[0025] Furthermore, the base is provided with an anti-slip strip for separating the base from the tray.

[0026] Furthermore, a lifting mechanism is provided at the rear end of the support plate.

[0027] The utility model also provides a refrigerator, comprising a box body and the above-mentioned shelf, wherein a storage chamber is arranged in the box body, and the shelf is arranged in the storage chamber.

[0028] The beneficial effects of the shelf and refrigerator provided by the utility model are as follows: compared with the prior art, the shelf provided by the utility model includes a base support that can be moved forwards and backwards and a rotatable tray for placing items. When the user needs to store or retrieve items, the base support can be driven to move, and the tray can be moved to the outside of the refrigerator through the base support. Moreover, the tray can be rotated at any angle on the base support, so that the user can conveniently take out items placed high, low or deep. It also allows the user to take and put items according to their own needs and habits, meet personalized needs, reduce space waste to a certain extent, ensure that different food containers can get suitable storage space, and greatly improve the user's experience and convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0030] Figure 1 A schematic diagram of a shelf structure provided in an embodiment of the utility model;

[0031] Figure 2 A schematic diagram of a shelf structure provided with a push-out mechanism provided in an embodiment of the utility model;

[0032] Figure 3 for Figure 2 The enlarged schematic diagram of point B in the middle;

[0033] Figure 4 An exploded schematic diagram of a shelf provided in an embodiment of the utility model;

[0034] Figure 5 for Figure 4 The enlarged schematic diagram at A in the middle;

[0035] Figure 6 A schematic diagram of a shelf structure provided with another ejection mechanism provided in an embodiment of the utility model;

[0036] Figure 7 A schematic diagram of the shelf structure after the base and the tray are pushed out provided in an embodiment of the utility model;

[0037] Figure 8 An exploded schematic diagram of the tray provided in the embodiment of the utility model when connected to the third motor;

[0038] Fig. 9 A schematic diagram of a shelf structure after the tray is rotated provided in an embodiment of the utility model;

[0039] Fig.10 A flowchart of a rack control method provided by an embodiment of the utility model;

[0040] Among them, the main marks of the drawings in the figure are:

[0041] 1. Support plate; 2. Bottom support; 21. Rotating spindle; 3. Tray; 4. Ejection mechanism; 401. First motor; 402. Screw; 403. Slider; 404. Flange seat; 405. Bearing; 411. Second motor; 412. Rack; 5. Third motor; 6. First slide rail; 7. Sensor; 8. Anti-slip strip; 9. Lifting mechanism. DETAILED DESCRIPTION

[0042] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0043] The utility model provides a shelf and a refrigerator, wherein the refrigerator comprises a box body and the shelf, a storage room is arranged in the box body, and the shelf is arranged in the storage room.

[0044] See also Figure 1 The shelf includes a support plate 1, a bottom bracket 2 and a tray 3. The support plate 1 is extended in the front-to-back direction and arranged inside the refrigerator. The bottom bracket 2 is movably arranged on the support plate 1. The tray 3 is rotatably arranged on the bottom bracket 2. When the bottom bracket 2 moves in a direction away from the rear end of the support plate 1, the tray 3 is driven to move so that at least part of the tray 3 is moved to the outside of the refrigerator. The shelf provided by the utility model can drive the bottom bracket 2 to move when the user needs to store or retrieve items, and the tray 3 is driven to move to the outside of the refrigerator by the bottom bracket 2. Moreover, the tray 3 can also be rotated at any angle on the bottom bracket 2, so that the user can conveniently take out items placed at high, low or deep places. It can also allow the user to take and put items according to their own needs and habits, meet personalized needs, and reduce space waste to a certain extent, ensuring that different food containers can get suitable storage space, which greatly improves the user's experience and convenience.

[0045] In some embodiments, see Figure 1 As shown, a lifting mechanism 9 is provided at the rear end of the support plate 1. The lifting mechanism 9 realizes the lifting of the shelf through a nut screw and a driving motor. The lifting of the shelf can more conveniently store foods of different sizes and improve space utilization.

[0046] In some embodiments, see Figures 2 to 6The support plate 1 is provided with a push-out mechanism 4 for driving the bottom bracket 2 to move forward and backward. The push-out mechanism 4 can be driven by a screw slider or a gear rack. Figure 7 , Figure 7 The schematic diagram of the shelf structure after the base 2 and the tray 3 are pushed out is shown.

[0047] In a preferred embodiment, see Figure 2 , Figure 3 The ejection mechanism 4 includes a first slide rail 6, a first motor 401, a screw 402 and a slider 403. The first slide rail 6 is extended along the front-back direction and arranged on the support plate 1. The screw 402 is rotatably arranged on the first slide rail 6. The screw 402 is connected to the first motor 401 to rotate under the drive of the first motor 401. The slider 403 is movably arranged on the screw 402. The slider 403 is connected to the bottom bracket 2. When the screw 402 rotates, the slider 403 drives the bottom bracket 2 to move on the first slide rail 6. The first motor 401 can be a DC drive motor. Bearings 405 and flange seats 404 are provided at both ends of the screw 402. One end of the flange seat 404 is connected to the bearing 405, and the other end of the flange seat 404 is connected to the first slide rail 6. That is, the screw 402 is rotatably arranged on the first slide rail 6 through the bearing 405 and the flange seat 404. In practical applications, the slider 403 is connected to the screw 402 by threads. The screw rod 402 is driven by the first motor 401 to rotate, driving the slider 403 and the bottom bracket 2 to move forward and backward on the screw rod 402, so as to automatically push out and retract the bottom bracket 2 and the tray 3 thereon.

[0048] See also Figure 4 , Figure 5 As shown, a sensor 7 is also provided on the first slide rail 6, and the sensor 7 is used to detect whether the base 2 moves to a specified position. The specified position can be a pre-set standard position to ensure that the shelf is in the best position for picking up items. There are two sensors 7, one of which is fixed on the first slide rail 6 near the inside of the refrigerator, and the other sensor 7 is fixed on the first slide rail 6 near the outside of the refrigerator.

[0049] See also Figure 4 As shown, the bottom bracket 2 is provided with an anti-slip strip 8 for separating the bottom bracket 2 from the tray 3. The bottom bracket 2 is provided with a groove for placing the anti-slip strip 8, and the anti-slip strip 8 is placed in the groove of the bottom bracket 2. The function of the anti-slip strip 8 is mainly to separate the tray 3 from the bottom bracket 2, reduce the direct contact between the tray 3 and the bottom bracket 2, and reduce the wear degree and noise of the tray 3. The number of anti-slip strips 8 can be multiple. Preferably, two grooves for placing the anti-slip strips 8 are respectively provided on the left and right sides of the bottom bracket 2, and four anti-slip strips 8 are placed in the corresponding grooves.

[0050] In another preferred embodiment, see Figure 6 The ejection mechanism 4 includes a second motor 411, a rack 412, a second slide rail (not shown in the figure) and a gear (not shown in the figure). The gear is connected to the second motor 411 to rotate under the drive of the second motor 411. The rack 412 is meshed with the gear, and the rack 412 is connected to the base 2. The rack 412 drives the base 2 to move on the second slide rail when the gear rotates. In practical applications, the gear rotates under the drive of the second motor 411, driving the gear and the base 2 to move back and forth on the second slide rail, and automatically ejecting and retracting the base 2 and the tray 3 thereon. A sensor is also provided on the second slide rail, and the sensor is used to detect whether the base 2 moves to a specified position. This specified position can be a standard position set in advance to ensure that the shelf is in the best position for picking up items. There are two sensors, one of which is fixed on the second slide rail near the inside of the refrigerator, and the other is fixed on the second slide rail near the outside of the refrigerator. The second motor 411 can be a non-self-locking motor, and can be manually operated to push out or retract the base 2 and the tray 3 thereon in the event of a sudden power outage, thereby increasing the working state in multiple environments and improving the portability of the user. The advantage of this solution is that even when the refrigerator is out of power, the user can take out the items on the refrigerator shelf at any time, which better meets the user's needs in terms of user experience.

[0051] In some embodiments, see Figure 8 As shown, a third motor 5 for driving the tray 3 to rotate is provided at the bottom of the tray 3. The third motor 5 is a reduction motor with an encoder. The rotation of the third motor 5 can be fed back by a digital pulse signal. In the design, the output shaft of the third motor 5 can be connected to the rotating spindle 21 on the tray 3. When the third motor 5 rotates one circle, a fixed total number of pulses can be sent to the controller. The rotation position of the tray 3 can be set according to the angle at which the tray 3 needs to rotate. This control method has high precision.

[0052] It is understandable that the shelf also includes a controller, which sends instructions to the third motor 5, and then the third motor 5 drives the rotating spindle 21 to rotate, driving the tray 3 to rotate. The angle of each rotation is half a circle according to the daily habits of users, that is, the turntable rotates 180° each time. Fig. 9 As shown, Fig. 9 The schematic diagram of the shelf structure after the tray 3 is rotated on the base 2 is shown.

[0053] In some embodiments, the shape of the tray 3 can be semicircular, elliptical or quadrilateral. In a preferred embodiment, as Figure 2 , Figure 3 , Figure 8 and Fig. 9As shown, the front and rear sides of the tray 3 are straight sides, and the left and right sides of the tray 3 are arc-shaped sides. Before the third motor 5 controls the tray 3 to rotate, in order to realize the rotation of the tray 3 at any angle, the bottom bracket is first controlled to move forward by the push-out mechanism 4, driving the tray 3 to move to the outside of the refrigerator. At the same time, since the tray 3 is a certain distance away from the rear end of the support plate 1, this also creates conditions for the rotation of the tray 3. Also, since the left and right sides of the tray 3 are arc-shaped sides, when the tray 3 rotates, the arc-shaped sides of the tray 3 will not exceed the left and right sides of the bottom bracket 2. Therefore, by reasonably setting the front and rear moving distance of the tray 3 and the shape and size of the tray 3, it can be ensured that the tray 3 rotates at any angle on the bottom bracket 2.

[0054] Combine the following Figures 1 to 9 The structure and working process of the shelf of the preferred embodiment of the utility model are described in detail. The shelf provided in this embodiment includes a lifting mechanism 9, a support plate 1, a bottom bracket 2, a tray 3, a push-out mechanism 4, a third motor 5 and a controller.

[0055] like Figure 1 As shown, the lifting mechanism 9 realizes the lifting of the shelf through a nut screw and a driving motor. The support plate 1 is connected to the lifting mechanism 9.

[0056] like Figure 1 , Figure 2 , Figure 3 As shown, there are two support plates 1, and the two support plates 1 are arranged at intervals. Each support plate 1 is also provided with a push-out mechanism 4, which includes a first slide rail 6, a first motor 401, a screw 402 and a slider 403. Bearings 405 and flange seats 404 are provided at both ends of the screw 402, one end of the flange seat 404 is connected to the bearing 405, and the other end of the flange seat 404 is connected to the first slide rail 6. One end of the screw 402 is also connected to the first motor 401, and rotates under the drive of the first motor 401. The slider 403 is movably arranged on the screw 402, and the slider 403 is also connected to the bottom bracket 2. The slider moves when the screw 402 rotates, driving the bottom bracket 2 and the tray 3 thereon to be automatically pushed out and retracted.

[0057] like Figure 4 , Figure 5 As shown, two sensors 7 are also provided on each first slide rail 6, one of which is disposed on the first slide rail 6 near the inside of the refrigerator, and the other is disposed on the first slide rail 6 near the outside of the refrigerator. For ease of understanding, the former sensor 7 is referred to as the first sensor, and the latter sensor 7 is referred to as the second sensor. Each sensor 7 is used to monitor the position of the bottom bracket 2.

[0058] like Figure 4 , Figure 8 , Fig. 9As shown, the tray 3 can be rotatably arranged on the base 2. The base 2 is provided with a plurality of grooves for placing the anti-slip strips 8. The anti-slip strips 8 are in the grooves of the base 2, and the base 2 and the tray 3 are separated by the anti-slip strips 8. The tray 3 is provided with a rotating spindle 21, and the third motor 5 is a reduction motor with an encoder. The third motor 5 is connected to the rotating spindle 21 on the tray 3, and the rotation of the third motor 5 can drive the tray 3 to rotate. Each rotation angle is set according to the user's daily habits. For example, a single rotation is set to half a circle, that is, the turntable rotates 180° each time.

[0059] like Fig.10 As shown, this embodiment also provides a detailed shelf control method flow chart, and the specific process of the shelf control method is as follows:

[0060] start;

[0061] Perform sensor self-check to determine whether the base meets the movement requirements;

[0062] If yes, read the first motor switch state; if no, end;

[0063] Determine whether the time interval between double-clicking the bottom support to move the switch is less than 0.5 seconds (s);

[0064] If yes, start the first motor; if no, end;

[0065] Performing a first motor current detection;

[0066] Determining whether the current of the first motor is greater than 1 ampere (A);

[0067] If yes, the first motor is controlled to stop rotating; if no, when the second sensor detects that the bottom support reaches the specified position, the first motor is controlled to stop rotating;

[0068] Reading the switch status of the third motor;

[0069] Determine whether the time interval between double-clicking the tray rotation switch is less than 0.5 seconds (s);

[0070] If yes, start the third motor; if no, continue monitoring;

[0071] Determine whether the total number of pulses of the third motor is equal to a set value;

[0072] If yes, the third motor is controlled to stop rotating; if no, the monitoring continues;

[0073] Reading the switch state of the first motor;

[0074] Determine whether the time interval between double-clicking the bottom support to move the switch is less than 0.5 seconds (s);

[0075] If yes, start the first motor; if no, continue monitoring;

[0076] When the first sensor detects that the bottom support has reached the designated position, it is determined that the bottom support has returned to the initial position.

[0077] Finish.

[0078] In a preferred embodiment, the shelf control method flow is triggered based on user needs. When the user needs to pick up and place items on the rotating shelf, he touches a specific area on the refrigerator touch panel. This operation serves as a trigger of the user's needs and starts the control flow. Once the user double-clicks the bottom tray moving switch, the first motor is started by the controller, and the first motor drives the screw to rotate to automatically slide the bottom tray out. This sliding process is completely automatic and does not require user intervention. At the same time, the second sensor begins to monitor the position of the bottom tray. The sensor detects whether the bottom tray has reached the specified position and transmits the detection information to the controller. The controller receives the position data sent by the sensor and determines whether the bottom tray has slid to the specified position. This specified position can be a standard position set in advance to ensure that the shelf is in the best position for picking up items. If the sensor detects that the bottom tray has slid to the specified position, the user can choose whether to rotate the tray at this time. The user issues a command to rotate the tray by clicking the corresponding button or option on the touch screen. This command must be explicitly confirmed by the user to prevent misoperation. Once the user confirms that the tray is selected, the controller will start the third motor according to the user's command, and the third motor drives the tray to rotate. This allows the user to easily rotate the items on the shelf, making it easier to pick up and place the desired items. After the user has finished picking up and placing the items, he or she can then touch a specific position on the screen to cause the first motor to start reversing, and the bottom tray returns to complete the picking operation. This control process ensures that the user can easily control the position of the bottom tray in the refrigerator and the rotation of the tray when needed, thereby improving the convenience and efficiency of taking out refrigerated food.

[0079] The shelf provided by the utility model can realize the pushing out and retracting of the bottom support and the tray, and can also realize the rotation of the tray, so that the user can conveniently take out the items placed at high, low or deep places, without using ladders or other auxiliary tools to take out the items, which increases the convenience of using the refrigerator and improves the comfort of the user. The utility model also senses and detects the position of the bottom support through sensors, and realizes the user's need to store and retrieve items through the combination of sensors and motors. It is easy to operate and use, has a high degree of integration, strong applicability, strong compatibility, and can be adapted to different types of refrigerator platforms. The shelf provided by the utility model represents the development trend of the field of smart home appliances, introduces more intelligent functions into home appliances, and greatly improves the user experience.

[0080] It should be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. Unless otherwise clearly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements.

[0081] The terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0082] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shelf, characterized in that: include: A support plate, the support plate is arranged inside the refrigerator so as to extend in a front-to-rear direction; A bottom bracket is arranged on the support plate so as to be movable forward and backward; A tray, used for placing articles, rotatably arranged on the base; When the bottom bracket moves in a direction away from the rear end of the support plate, the tray is driven to move so that at least a portion of the tray moves to the outside of the refrigerator.

2. The shelf according to claim 1, characterized in that The support plate is provided with a push-out mechanism for driving the bottom bracket to move forward and backward, and the push-out mechanism includes: A first slide rail is arranged on the support plate and extends in a front-to-rear direction; A first motor, disposed at the rear end of the first slide rail; A screw rod is rotatably disposed on the slide rail, and the screw rod is connected to the first motor to rotate under the drive of the first motor; A slider is movably arranged on the screw rod, the slider is connected to the base, and the slider drives the base to move along the first slide rail when the screw rod rotates.

3. The shelf according to claim 2, characterized in that The first slide rail is provided with a sensor, and the sensor is used to detect whether the base bracket moves to a specified position.

4. The shelf according to claim 2, characterized in that Bearings and flange seats are provided at both ends of the screw rod, one end of the flange seat is connected to the bearing, and the other end of the flange seat is connected to the first slide rail.

5. The shelf according to claim 1, characterized in that The support plate is provided with a push-out mechanism for driving the bottom bracket to move forward and backward, and the push-out mechanism includes: A second slide rail is arranged on the support plate and extends along the front-rear direction; A second motor is arranged at the front end of the second slide rail; a gear connected to the second motor to rotate under the drive of the second motor; A rack is meshed with the gear, and the rack is connected to the base. When the gear rotates, the rack drives the base to move along the second slide rail.

6. The shelf according to claim 1, characterized in that A third motor for driving the tray to rotate is provided at the bottom of the tray.

7. The shelf according to claim 1, characterized in that The front and rear sides of the tray are straight side edges, and the left and right sides of the tray are arc side edges.

8. The shelf according to claim 1, characterized in that The bottom bracket is provided with an anti-slip strip for separating the bottom bracket from the tray.

9. The shelf according to claim 1, characterized in that A lifting mechanism is arranged at the rear end of the support plate.

10. A refrigerator, characterized in that: It comprises a box body and a shelf as described in any one of claims 1 to 9, wherein a storage room is provided in the box body, and the shelf is arranged in the storage room.

Images